Home / 5,156.31-7,734.06-1,824.89

Finding the Fourth Proportional to 5,156.31, 7,734.06 and 1,824.89

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Solution

The fourth proportional to 5,156.31, 7,734.06 and 1,824.89 is: 2,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.31 : 7,734.06 = 1,824.89 : x
  2. Step 2: Convert to fraction form
    5,156.31/7,734.06 = 1,824.89/x
  3. Step 3: Cross multiply
    5,156.31x = 7,734.06 × 1,824.89
  4. Step 4: Simplify right side
    5,156.31x = 14,113,808.75
  5. Step 5: Solve for x
    x = 14,113,808.75/5,156.31
  6. Step 6: Final answer
    x = 2,737.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.